Patch for memory leak in vfs_defaults.c

[Jeremy Allison]

On Sat, Apr 07, 2018 at 12:50:48AM +0200, Timur I. Bakeyev via samba-technical wrote:
> 
> Yes, while the fix is trivial by itself, it took a lot of time to locate
> the leak and Andrew did a tremendous work to nail it and fix.

Absolutely ! That's why I want his name on it - as I'm the one
who introduced the bug in the first place, I certainly shouldn't
be the author :-).

> Finding the leak also showed us that there is no good tooling to track
> memleaks in Samba, at least on FreeBSD. Both dmalloc and valgrind failed us
> on various reasons and only jemalloc helped to confirm at that point, that
> the right place was spotted.

Did valgrind not catch this ? That would have seemed the natural
tool to find the problem.